paper

Magnetic moment, vorticity-spin coupling and parity-odd conductivity of chiral fermions in 4-dimensional Wigner functions

arXiv:1504.07334 · doi:10.1016/j.physletb.2015.08.058

Abstract

We demonstrate the emergence of the magnetic moment and spin-vorticity coupling of chiral fermions in 4-dimensional Wigner functions. In linear response theory with space-time varying electromagnetic fields, the parity-odd part of the electric conductivity can also be derived which reproduces results of the one-loop and the hard-thermal or hard-dense loop. All these properties show that the 4-dimensional Wigner functions capture comprehensive aspects of physics for chiral fermions in electromagnetic fields.

RevTex 4, 5 pages, no figure. Appendix A and B are added about derivation of Eq.(7) and about Wigner functions in space-time varying electromagnetic fields. Accepted by PLB

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